Home / 813,397.56-1,219,815.48-333,489.18

Finding the Fourth Proportional to 813,397.56, 1,219,815.48 and 333,489.18

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Solution

The fourth proportional to 813,397.56, 1,219,815.48 and 333,489.18 is: 500,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,397.56 : 1,219,815.48 = 333,489.18 : x
  2. Step 2: Convert to fraction form
    813,397.56/1,219,815.48 = 333,489.18/x
  3. Step 3: Cross multiply
    813,397.56x = 1,219,815.48 × 333,489.18
  4. Step 4: Simplify right side
    813,397.56x = 406,795,264,176.51
  5. Step 5: Solve for x
    x = 406,795,264,176.51/813,397.56
  6. Step 6: Final answer
    x = 500,118.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.